2000 CHRYSLER CARAVAN Service Manual

TEST TC-86AREPAIRING - TIMING GOVERNING POSITIVE GOVERNOR DEVIATION
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
NOTE: INCORRECT HAS THE TIMING VERIFY CORRECT
START TEST INJECTION PUMP CHAIN, TIMING YES VALVE TIMING AND
TC-86A. TIMING CAN CAUSE GEARS OR INJECTION INJECTION PUMP
THIS TROUBLE CODE. PUMP BEEN SERVICED TIMING BEFORE
RECENTLY? CONTINUING.
NO
WITH THE DRB, ATTEMPT TO START READ CODES. DOES
ERASE CODES. ENGINE AND THE DRB DISPLAY YES CONTINUE TEST
INCREASE ENGINE "TIMING GOVERNING TC-86A ON THE
TURN IGNITION OFF SPEED ABOVE 1000 POSITIVE GOVERNOR NEXT PAGE.
FOR 10 SECONDS. RPM. DEVIATION"?
NO
USE THE SCHEMATIC AS DOES THE DRB REPAIR THE HARNESS
A GUIDE AND WIGGLE MONITOR THE DRB DISPLAY "TIMING YES OR CONNECTOR THAT
THE SENSOR CONNECTOR DISPLAY. GOVERNING POSITIVE CAUSED THE CODE TO
& HARNESS. GOVERNOR SET.*
FIG.1 DEVIATION"?
NO
AT THIS TIME, THE USING THE
CONDITION REQUIRED SCHEMATIC AS A WERE ANY PROBLEMS YES REPAIR AS
TO SET THE CODE IS GUIDE, INSPECT THE FOUND? NECESSARY.*
NOT PRESENT. WIRING AND
FIG.2 CONNECTORS.
NO
REFER TO GENERAL
INFORMATION 3.3.2 YES
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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TEST TC-86ACONTINUED - REPAIRING - TIMING GOVERNING POSITIVE GOVERNOR DEVIATIONT
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TEST TC-86ACONTINUED - REPAIRING - TIMING GOVERNING POSITIVE GOVERNOR DEVIATION
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
NOTE: THIS CODE
TEST TC-86A WILL SET DUE TO
CONTINUED FROM LOW FUEL VOLUME TO
PREVIOUS PAGE. THE INJECTION
PUMP.
CHECK THE FUEL WERE ANY PROBLEMS YES REPAIR AS
SYSTEM FOR FOUND? NECESSARY.*
RESTRICTIONS.
NO
TEST DRIVE THE
REPLACE THE FUEL VEHICLE. USING THE DOES THE DRB NO
INJECTION PUMP DRB, DISPLAY DISPLAY THIS CODE? TEST COMPLETED.*
ASSEMBLY.* CODES.
YES
NOTE: BEFORE
REPLACING THE ECM, DID THE FUEL YES REPLACE THE ENGINE
PERFORM TEST NTC-3A INJECTION PUMP CONTROL MODULE.*
TO CHECK INTERNAL PASS TEST NTC-3A?
FUEL PUMP CIRCUITRY.
NO
REPLACE THE FUEL
INJECTION PUMP
ASSEMBLY.*
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TEST TC-91AREPAIRING - VEHICLE SPEED SENSOR TROUBLE CODES
Perform TEST DTC Before Proceeding
FIG.1
FIG.2
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TEST TC-91AREPAIRING - VEHICLE SPEED SENSOR TROUBLE CODES
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST USING THE DRB,
TC-91A ERASE CODES.
TEST DRIVE THE WITH THE DRB, READ DOES THE DRB YES CONTINUE TEST
VEHICLE. TROUBLE CODES. DISPLAY A VEHICLE TC-91A ON THE
SPEED SENSOR CODE? NEXT PAGE.
NO
TURN IGNITION OFF. INSPECT THE VSS
HARNESS CONNECTOR IS THERE EVIDENCE YES REPAIR OR REPLACE
DISCONNECT THE VSS TERMINALS.** OF TERMINAL DAMAGE TERMINALS AS
HARNESS OR CORROSION? NECESSARY.*
CONNECTOR.** FIG.1
NO
CHECK THE VSS THIS INTERFERENCE
HARNESS FOR COULD BE CAUSED BY IS THE VSS WIRING NO REPAIR AS
MIS-ROUTING THAT HIGH CURRENT ROUTED CORRECTLY? NECESSARY.*
COULD INDUCE CARRYING WIRES OR
INTERFERENCE. THE ALTERNATOR.
YES
AT THIS TIME, THE USING THE SCHEMATIC
CONDITION REQUIRED AS A GUIDE, WERE ANY PROBLEMS YES REPAIR AS
TO SET THE CODE IS INSPECTOR THE WIRING FOUND? NECESSARY.*
NOT PRESENT. AND CONNECTORS.
FIG.2
NO
REFER TO GENERAL
INFORMATION 3.3.2
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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TEST TC-91ACONTINUED - REPAIRING - VEHICLE SPEED SENSOR TROUBLE CODES
FIG.1
FIG.2
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TEST TC-91ACONTINUED - REPAIRING - VEHICLE SPEED SENSOR TROUBLE CODES
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
KEY OFF.
TEST TC-91A
CONTINUED FROM DISCONNECT THE VSS
PREVIOUS PAGE. HARNESS
CONNECTOR.**
USING A VOLTMETER, REPAIR THE
MEASURE THE FUSED IS THE VOLTAGE NO IGNITION SWITCH
TURN IGNITION ON. IGNITION SWITCH ABOVE 10.0 VOLTS? OUTPUT CIRCUIT FOR
OUTPUT CKT. AN OPEN OR SHORT
FIG.1 TO GROUND.*
YES
USING A VOLTMETER,
MEASURE THE VSS IS THE VOLTAGE NO CONTINUE TEST
SIGNAL CIRCUIT. BETWEEN TC-91A ON THE
4.0 AND 6.0 VOLTS? NEXT PAGE.
FIG.1
YES
KEY OFF. USING AN OHMMETER,
MEASURE RESISTANCE IS THE RESISTANCE NO REPAIR THE OPEN
DISCONNECT THE ECM OF SENSOR GROUND CKT BELOW 5.0 OHMS? SENSOR GROUND
HARNESS BETWEEN ECM AND VSS. CIRCUIT.*
CONNECTORS.** FIG.2
YES
PERFORM TEST
TC-91B.
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TEST TC-91ACONTINUED - REPAIRING - VEHICLE SPEED SENSOR TROUBLE CODES
FIG.1
FIG.2
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